
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("e"), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("e"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("0"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("Y ")
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars("H ")
        ]),
        DocGroup({"tag": "p"}, [])
    ]),
    DocGroup({"tag": "h2"}, [
        DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("03")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars("5vE 8YS 1V6YIJ50Ii")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("O7")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("5th you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelGroup([]),
            DelChars(1), DelSkip(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddSkip(1), AddWithGroup([]),
            AddSkip(1), AddGroup({"client": "a", "tag": "caret"}, []),
            AddWithGroup([]),
            AddSkip(1), AddChars(" ")
        ]),
        AddGroup({"tag": "p"}, [
            AddSkip(1)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(2)
        ]),
        DelWithGroup([
            DelChars(2)
        ]),
        DelWithGroup([])
    ]),
    DelWithGroup([
        DelGroup([])
    ])
]
b_add: [
    AddWithGroup([
        AddSkip(1), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(2)
    ]),
    AddWithGroup([
        AddChars("D"), AddGroup({"client": "b", "tag": "caret"}, [])
    ]),
    AddWithGroup([]),
    AddWithGroup([])
]
